On 20-10-21, 12:38, Vincent Whitchurch wrote: > I don't quite understand how that would be safe since > virtqueue_add_sgs() can fail after a few iterations and all queued > request buffers can have FAIL_NEXT set. In such a case, we would end up > waiting forever with your proposed change, wouldn't we? Good point. I didn't think of that earlier. I think a good simple way of handling this is counting the number of buffers sent and received. Once they match, we are done. That shouldn't break anything else I believe. -- viresh
